.btn {
  background-color: transparent;
  border: none;
  color: #333;
  height: 34px;
  font-size: 14px;

  &.btn-primary {
    background-color: lightblue;
    color: #fff;
  }

  &.btn-success {
    background-color: lightgreen;
    color: #fff;
  }

  &.btn-warn {
    background-color: lightgoldenrodyellow;
    color: #333;
  }

  &.btn-danger {
    background-color: lightpink;
    color: #fff;
  }
}